{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2013:S66XPACQVU6HSB6V4DMBCL7DFP","short_pith_number":"pith:S66XPACQ","schema_version":"1.0","canonical_sha256":"97bd778050ad3c7907d5e0d8112fe32bfc5312850f99a558870ed4c02b0f7e08","source":{"kind":"arxiv","id":"1310.4733","version":1},"attestation_state":"computed","paper":{"title":"Heralded generation of Bell states using atomic ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alex Retzker, David Shwa, Nadav Katz, Raphael D. Cohen","submitted_at":"2013-10-17T14:55:58Z","abstract_excerpt":"We propose a scheme that utilizes the collective enhancement of a photonic mode inside an atomic ensemble together with a proper Zeeman manifold in order to achieve a heralded polarization entangled Bell state. The entanglement is between two photons that are separated in time and can be used as a post selected deterministic source for applications such as quantum repeaters where a subsequent entanglement swapping measurement is employed. We present a detailed analysis of the practical limitation of the scheme."},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1310.4733","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"quant-ph","submitted_at":"2013-10-17T14:55:58Z","cross_cats_sorted":[],"title_canon_sha256":"7e26aa0607c5e436d9c919753df1b7268f0f16c0e7cdb2b036ecdbb1f4c46e01","abstract_canon_sha256":"c5a9694694df41efc647614dd6a2645ca6dfd9300cb75cf328579d45a681cec0"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:58.405531Z","signature_b64":"63TrtrryZitUZd4sE0WnVQ3Mms2S9OEvnobvgtkVjftwyrHUP/TB0ekXK9zA00wQKk8AIITD8qz+or5gv4tfAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"97bd778050ad3c7907d5e0d8112fe32bfc5312850f99a558870ed4c02b0f7e08","last_reissued_at":"2026-05-18T01:46:58.404972Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:58.404972Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Heralded generation of Bell states using atomic ensembles","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"quant-ph","authors_text":"Alex Retzker, David Shwa, Nadav Katz, Raphael D. Cohen","submitted_at":"2013-10-17T14:55:58Z","abstract_excerpt":"We propose a scheme that utilizes the collective enhancement of a photonic mode inside an atomic ensemble together with a proper Zeeman manifold in order to achieve a heralded polarization entangled Bell state. The entanglement is between two photons that are separated in time and can be used as a post selected deterministic source for applications such as quantum repeaters where a subsequent entanglement swapping measurement is employed. We present a detailed analysis of the practical limitation of the scheme."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.4733","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"aliases":[{"alias_kind":"arxiv","alias_value":"1310.4733","created_at":"2026-05-18T01:46:58.405052+00:00"},{"alias_kind":"arxiv_version","alias_value":"1310.4733v1","created_at":"2026-05-18T01:46:58.405052+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.4733","created_at":"2026-05-18T01:46:58.405052+00:00"},{"alias_kind":"pith_short_12","alias_value":"S66XPACQVU6H","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_16","alias_value":"S66XPACQVU6HSB6V","created_at":"2026-05-18T12:27:59.945178+00:00"},{"alias_kind":"pith_short_8","alias_value":"S66XPACQ","created_at":"2026-05-18T12:27:59.945178+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP","json":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP.json","graph_json":"https://pith.science/api/pith-number/S66XPACQVU6HSB6V4DMBCL7DFP/graph.json","events_json":"https://pith.science/api/pith-number/S66XPACQVU6HSB6V4DMBCL7DFP/events.json","paper":"https://pith.science/paper/S66XPACQ"},"agent_actions":{"view_html":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP","download_json":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP.json","view_paper":"https://pith.science/paper/S66XPACQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1310.4733&json=true","fetch_graph":"https://pith.science/api/pith-number/S66XPACQVU6HSB6V4DMBCL7DFP/graph.json","fetch_events":"https://pith.science/api/pith-number/S66XPACQVU6HSB6V4DMBCL7DFP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP/action/storage_attestation","attest_author":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP/action/author_attestation","sign_citation":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP/action/citation_signature","submit_replication":"https://pith.science/pith/S66XPACQVU6HSB6V4DMBCL7DFP/action/replication_record"}},"created_at":"2026-05-18T01:46:58.405052+00:00","updated_at":"2026-05-18T01:46:58.405052+00:00"}